<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>loading效果</title>
  <style type="text/css">
    body {
      color: #fff;
      background: #222;
    }

    h1 {
      font-size: 14px;
      font-family: "Microsoft Yahei";
      text-align: center;
    }

    .spinner {
      width: 80px;
      height: 50px;
      margin: 100px auto;
      text-align: center;
    }

    .spinner > div {
      display: inline-block;
      width: 6px;
      height: 100%;
      background: green;
      -webkit-animation: strechdelay 1.2s infinite ease-in-out;
    }

    .spinner .line2 {
      -webkit-animation-delay: -1.1s;
    }

    .spinner .line3 {
      -webkit-animation-delay: -1.0s;
    }

    .spinner .line4 {
      -webkit-animation-delay: -0.9s;
    }

    .spinner .line5 {
      -webkit-animation-delay: -0.8s;
    }

    /**/
    @-webkit-keyframes strechdelay {
      0%, 40%, 100% {
        -webkit-transform: scaleY(.4);
      }
      20% {
        -webkit-transform: scaleY(1);
      }
    }
  </style>
</head>
<body>
<h1>请使用webkit内核标准浏览器查看效果</h1>
<div class="spinner">
  <div class="line1"></div>
  <div class="line2"></div>
  <div class="line3"></div>
  <div class="line4"></div>
  <div class="line5"></div>
</div>
</body>
</html>
